Redis Munin

A set of munin scripts to monitor redis

Installation

copy the file in /usr/share/munin/plugins/
make a link with the parameters you want in /etc/munin/plugins/

ln -s /usr/share/munin/plugins/redis_memory_ /etc/munin/plugins/redis_memory_127_0_0_1_6379

Usage

Parameters

The parameters are in the filename in the format IP_PORT, where IP is the 4 part ipv4 separated by ''

Valid link name

Note the ending '_' when no ip or port:

redis_command_
redis_command_1_2_3_4_
redis_command_1_2_3_4_port

ip will default to 127.0.0.1

port will default to 6379

Scripts

redis_change_since_last_save_

Number of changes since last save
redis_databases_

List all DBs with number of keys and expire
redis_memory_

Used memory
redis_total_commands_

Total commands
redis_total_connections_

Total connections
redis_users_

Current clients
resque_failed_

COUNTER for failures

Need resque-web

TODO use driver or netcat or telnet
resque_workers_

% of working workers

Need resque-web

TODO use driver or netcat or telnet

resque_queues_

COUNTER for in / out jobs per queue. This ones needs some hooks to create the stats:

  def self.after_enqueue(*job_args)
      Resque::Stat.incr(@queue.to_s + ":pushed")
  end

  def self.after_perform(*job_args)
      Resque::Stat.incr(@queue.to_s + ":finished")
  end

https://github.com/defunkt/resque/blob/master/docs/HOOKS.md

Changelog

fixed redis_databases_ labels (thanks japerk)

akheron / redis-munin